{"company":{"id":178423,"name":"Arc Institute","domain":"arcinstitute.org","url":"https://alion.io/company/arc-institute"},"answer":"Arc Institute builds mostly with Python, SQL. Its stack also includes PyTorch, JAX. Python is named in 9 of the 17 job postings Arc Institute published in the last 12 months (53%). Counted by Alion from the job postings of Arc Institute, updated Oct 12, 2026.","window_days":365,"postings_analysed":17,"open_postings":14,"technologies_in_use":17,"modernity_score":73,"ai_adoption":true,"technologies":[{"name":"Python","layer":"languages","postings":9,"share":0.5294,"required":5,"open_postings":8,"first_seen":"2026-05-12","last_seen":"2026-10-12","median_stated_pay_usd":146000},{"name":"Machine Learning","layer":"practices","postings":8,"share":0.4706,"required":6,"open_postings":8,"first_seen":"2025-06-13","last_seen":"2026-09-14","median_stated_pay_usd":212000},{"name":"AI Agents","layer":"practices","postings":4,"share":0.2353,"required":4,"open_postings":4,"first_seen":"2026-04-27","last_seen":"2026-10-12","median_stated_pay_usd":null},{"name":"PyTorch","layer":"frameworks","postings":3,"share":0.1765,"required":3,"open_postings":3,"first_seen":"2025-06-13","last_seen":"2026-10-12","median_stated_pay_usd":null},{"name":"Claude","layer":"ai","postings":1,"share":0.0588,"required":1,"open_postings":0,"first_seen":"2026-08-12","last_seen":"2026-08-12","median_stated_pay_usd":null},{"name":"HPC","layer":"practices","postings":1,"share":0.0588,"required":1,"open_postings":0,"first_seen":"2026-06-30","last_seen":"2026-06-30","median_stated_pay_usd":null},{"name":"Interpretability","layer":"practices","postings":1,"share":0.0588,"required":1,"open_postings":1,"first_seen":"2026-03-13","last_seen":"2026-03-13","median_stated_pay_usd":null},{"name":"JAX","layer":"frameworks","postings":1,"share":0.0588,"required":1,"open_postings":1,"first_seen":"2026-04-27","last_seen":"2026-04-27","median_stated_pay_usd":null},{"name":"Multimodal AI","layer":"practices","postings":1,"share":0.0588,"required":1,"open_postings":1,"first_seen":"2026-04-27","last_seen":"2026-04-27","median_stated_pay_usd":null},{"name":"Post-training","layer":"practices","postings":1,"share":0.0588,"required":1,"open_postings":1,"first_seen":"2026-05-12","last_seen":"2026-05-12","median_stated_pay_usd":null},{"name":"Rest API","layer":"tools","postings":1,"share":0.0588,"required":1,"open_postings":1,"first_seen":"2026-10-12","last_seen":"2026-10-12","median_stated_pay_usd":null},{"name":"SQL","layer":"languages","postings":1,"share":0.0588,"required":1,"open_postings":1,"first_seen":"2026-10-12","last_seen":"2026-10-12","median_stated_pay_usd":null},{"name":"TensorFlow","layer":"frameworks","postings":1,"share":0.0588,"required":1,"open_postings":1,"first_seen":"2026-04-27","last_seen":"2026-04-27","median_stated_pay_usd":null},{"name":"FSDP","layer":"frameworks","postings":1,"share":0.0588,"required":0,"open_postings":1,"first_seen":"2026-10-12","last_seen":"2026-10-12","median_stated_pay_usd":null},{"name":"LLM Evaluation","layer":"practices","postings":1,"share":0.0588,"required":0,"open_postings":1,"first_seen":"2026-10-12","last_seen":"2026-10-12","median_stated_pay_usd":null},{"name":"NCCL","layer":"frameworks","postings":1,"share":0.0588,"required":0,"open_postings":1,"first_seen":"2026-10-12","last_seen":"2026-10-12","median_stated_pay_usd":null},{"name":"SLURM","layer":"tools","postings":1,"share":0.0588,"required":0,"open_postings":1,"first_seen":"2026-10-12","last_seen":"2026-10-12","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[{"name":"Python","first_seen":"2026-05-12"},{"name":"AI Agents","first_seen":"2026-04-27"}],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"SCSP","url":"https://alion.io/company/scsp-ai/technologies","shared_technologies":11},{"name":"Chan Zuckerberg Biohub","url":"https://alion.io/company/biohub/technologies","shared_technologies":13},{"name":"CAUSAL.AGENCY(7)","url":"https://alion.io/company/causal/technologies","shared_technologies":12},{"name":"Character.AI","url":"https://alion.io/company/character-ai/technologies","shared_technologies":13},{"name":"The Allen Institute for AI","url":"https://alion.io/company/the-allen-institute-for-ai/technologies","shared_technologies":12},{"name":"FAR.AI","url":"https://alion.io/company/far/technologies","shared_technologies":12},{"name":"Toyota Research Institute","url":"https://alion.io/company/toyota-research-institute/technologies","shared_technologies":11},{"name":"RadixArk","url":"https://alion.io/company/radixark/technologies","shared_technologies":13}],"html_url":"https://alion.io/company/arc-institute/technologies","json_url":"https://alion.io/company/arc-institute/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-10-12T23:42:27Z","generated_at":"2026-10-13T16:03:44Z"}}